:root {
  --navy-950: #031c37;
  --navy-900: #0a2b4a;
  --navy-700: #29455f;
  --gold-700: #805400;
  --gold-500: #fbbd3d;
  --gold-300: #fbe1b3;
  --gold-100: #f7f2e3;
  --white: #fefefe;
  --off-white: #f5f5f5;
  --ink: #070714;
  --muted: #5d5d5d;
  --line: #eeedef;
  --purple-700: #502478;
  --purple-100: #f1ebf6;
  --teal-700: #08757c;
  --teal-500: #12a8b1;
  --teal-100: #e4f4f0;
  --teal-bg: #e9f4f3;
  --blue-100: #e9f1fb;
  --green-100: #e4f4f0;
  --danger: #d22126;
  --success: #2e8c36;
  --shadow-sm: 0 1px 2px rgb(1 25 52 / 0.05), 0 8px 24px rgb(1 25 52 / 0.06);
  --shadow-md: 0 18px 45px rgb(1 25 52 / 0.10);
  --radius-sm: 0.75rem;
  --radius-md: 1.25rem;
  --radius-lg: 1.75rem;
  --shell: 74rem;
  --sans: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  --mono: "IBM Plex Mono", SFMono-Regular, Consolas, "Liberation Mono", monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}

body {
  margin: 0;
  color: var(--navy-950);
  background: var(--white);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.5;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.2em;
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--navy-950);
  outline-offset: 4px;
  border-radius: 0.35rem;
}

p,
h1,
h2,
h3 {
  margin-top: 0;
}

p {
  max-width: 72ch;
}

h1,
h2,
h3 {
  letter-spacing: -0.025em;
  line-height: 1.18;
}

h1 {
  margin-bottom: 1.25rem;
  font-size: clamp(2.6rem, 6vw, 4.6rem);
  font-weight: 700;
}

h2 {
  margin-bottom: 1rem;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
}

h3 {
  margin-bottom: 0.8rem;
  font-size: 1.45rem;
  font-weight: 600;
}

.shell {
  width: min(calc(100% - 2rem), var(--shell));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 999;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.75rem 1rem;
  transform: translateY(-180%);
  border-radius: 0.6rem;
  color: var(--white);
  background: var(--navy-950);
  font-weight: 600;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  border-bottom: 1px solid rgb(1 25 52 / 0.08);
  background: rgb(255 255 255 / 0.94);
  backdrop-filter: blur(16px);
}

.header-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  min-height: 5rem;
  gap: 2rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-mark {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  box-shadow: 0 0 0 1px rgb(1 25 52 / 0.08);
}

.site-nav {
  display: flex;
  justify-content: center;
  gap: 2rem;
}

.site-nav a {
  position: relative;
  padding-block: 1.1rem;
  color: var(--navy-700);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: 0.8rem;
  left: 0;
  height: 2px;
  transform: scaleX(0);
  transform-origin: center;
  background: var(--gold-500);
  content: "";
  transition: transform 160ms ease;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
}

.button {
  display: inline-flex;
  min-height: 2.85rem;
  align-items: center;
  justify-content: center;
  padding: 0.72rem 1.05rem;
  border: 1px solid transparent;
  border-radius: 0.75rem;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  transition: transform 150ms ease, box-shadow 150ms ease, background 150ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  color: var(--navy-950);
  background: var(--gold-500);
  box-shadow: 0 8px 20px rgb(253 191 56 / 0.25);
}

.button-primary:hover {
  background: #f4b62d;
  box-shadow: 0 12px 24px rgb(253 191 56 / 0.30);
}

.button-secondary {
  border-color: rgb(1 25 52 / 0.16);
  color: var(--navy-950);
  background: var(--white);
}

.button-secondary:hover {
  border-color: rgb(1 25 52 / 0.28);
  box-shadow: var(--shadow-sm);
}

.hero {
  display: grid;
  grid-template-columns: minmax(15rem, 0.7fr) minmax(0, 1.45fr) minmax(17rem, 0.85fr);
  align-items: center;
  gap: clamp(2rem, 5vw, 4.5rem);
  min-height: 42rem;
  padding-block: 5.5rem;
}

.hero-art {
  display: flex;
  justify-content: center;
}

.hero-logo-wrap {
  position: relative;
  width: min(100%, 19rem);
  padding: 1.35rem;
  border: 1px solid rgb(253 191 56 / 0.32);
  border-radius: 50%;
  background: radial-gradient(circle, var(--white) 54%, var(--gold-100) 100%);
  box-shadow: 0 26px 70px rgb(253 191 56 / 0.14);
}

.hero-logo-wrap::after {
  position: absolute;
  inset: 8%;
  z-index: -1;
  border-radius: 50%;
  background: var(--gold-300);
  filter: blur(48px);
  opacity: 0.25;
  content: "";
}

.eyebrow {
  margin-bottom: 0.7rem;
  color: var(--gold-700);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-copy h1 span {
  color: var(--gold-700);
}

.hero-lede {
  margin-bottom: 0.8rem;
  font-size: 1.18rem;
  line-height: 1.55;
  font-weight: 500;
}

.hero-support {
  margin-bottom: 1.7rem;
  color: var(--muted);
  font-size: 1rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero-principles {
  display: grid;
  gap: 1.25rem;
  padding-left: 2rem;
  border-left: 1px solid var(--line);
}

.principle {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: start;
  gap: 0.9rem;
}

.principle-icon {
  display: grid;
  width: 2.8rem;
  height: 2.8rem;
  place-items: center;
  border-radius: 50%;
  color: var(--navy-950);
  background: var(--gold-100);
  font-family: var(--mono);
  font-size: 0.875rem;
  font-weight: 500;
}

.principle strong,
.principle div > span {
  display: block;
}

.principle strong {
  margin-bottom: 0.2rem;
  font-size: 0.95rem;
}

.principle div > span {
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.45;
}

.process-band {
  border-block: 1px solid rgb(1 25 52 / 0.07);
  background: var(--gold-100);
}

.process-inner {
  display: grid;
  grid-template-columns: minmax(16rem, 0.7fr) 1fr;
  align-items: center;
  gap: 3rem;
  padding-block: 2.4rem;
}

.process-inner h2 {
  margin-bottom: 0;
  font-size: 1.8rem;
}

.process-flow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 0.7rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.process-flow li {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-size: 0.9rem;
  font-weight: 600;
}

.process-flow li:not(:last-child)::after {
  color: var(--gold-700);
  content: "→";
}

.section {
  padding-block: 6rem;
}

.section-tinted {
  border-block: 1px solid rgb(1 25 52 / 0.06);
  background: linear-gradient(180deg, #fffdf9 0%, var(--gold-100) 100%);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.15fr);
  align-items: end;
  gap: 4rem;
  margin-bottom: 2.5rem;
}

.section-heading .eyebrow {
  grid-column: 1 / -1;
  margin-bottom: -2.8rem;
}

.section-heading h2,
.section-heading p:last-child {
  margin-bottom: 0;
}

.section-heading p:last-child {
  color: var(--muted);
  font-size: 1.05rem;
}

.section-heading.narrow {
  display: block;
  max-width: 48rem;
}

.section-heading.narrow .eyebrow {
  margin-bottom: 0.7rem;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
}

.product-card {
  position: relative;
  overflow: hidden;
  padding: 2rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--white);
  box-shadow: var(--shadow-sm);
}

.product-card::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 4px;
  content: "";
}

.product-deafaccess::before {
  background: var(--purple-700);
}

.product-deafbench::before {
  background: var(--teal-500);
}

.product-kicker {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 1.35rem;
  font-size: 0.9rem;
  font-weight: 600;
}

.product-symbol {
  display: grid;
  width: 2.6rem;
  height: 2.6rem;
  place-items: center;
  border-radius: 0.7rem;
  font-family: var(--mono);
  font-size: 0.875rem;
  font-weight: 500;
}

.product-deafaccess .product-symbol {
  color: var(--purple-700);
  background: var(--purple-100);
}

.product-deafbench .product-symbol {
  color: var(--teal-700);
  background: var(--teal-100);
}

.product-card > p {
  color: var(--muted);
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem 1rem;
  margin: 1.5rem 0;
  padding: 0;
  list-style: none;
}

.feature-list li {
  position: relative;
  padding-left: 1.15rem;
  font-size: 0.9rem;
}

.feature-list li::before {
  position: absolute;
  top: 0.58em;
  left: 0;
  width: 0.42rem;
  height: 0.42rem;
  border-radius: 50%;
  background: var(--gold-500);
  content: "";
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--navy-950);
  font-weight: 700;
}

.roadmap-note {
  margin: -0.75rem 0 2rem;
  padding: 1rem 1.15rem;
  border-left: 3px solid var(--gold-500);
  color: var(--navy-700);
  background: rgb(251 189 61 / 0.08);
  font-size: 0.9rem;
}

.lab-groups {
  display: grid;
  gap: 1.5rem;
}

.lab-group {
  display: grid;
  grid-template-columns: minmax(13rem, 0.3fr) minmax(0, 1fr);
  gap: 1.5rem;
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgb(254 254 254 / 0.88);
  box-shadow: var(--shadow-sm);
}

.lab-group-heading {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  padding-right: 1.25rem;
  border-right: 1px solid var(--line);
}

.lab-group-index {
  display: grid;
  width: 2.4rem;
  height: 2.4rem;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 50%;
  color: var(--navy-950);
  background: var(--gold-300);
  font-family: var(--mono);
  font-size: 0.875rem;
  font-weight: 500;
}

.lab-group-heading h3 {
  margin: 0 0 0.35rem;
  font-size: 1.1rem;
}

.lab-group-heading p {
  margin: 0;
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.45;
}

.lab-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}

.lab-card {
  min-width: 0;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--white);
}

.lab-card:hover {
  border-color: rgb(3 28 55 / 0.18);
  box-shadow: 0 8px 20px rgb(3 28 55 / 0.05);
}

.lab-code {
  display: inline-flex;
  margin-bottom: 0.75rem;
  padding: 0.25rem 0.45rem;
  border-radius: 0.4rem;
  color: var(--teal-700);
  background: var(--teal-100);
  font-family: var(--mono);
  font-size: 0.875rem;
  font-weight: 500;
}

.lab-card:nth-child(4n + 2) .lab-code {
  color: var(--purple-700);
  background: var(--purple-100);
}

.lab-card:nth-child(4n + 3) .lab-code {
  color: #785100;
  background: var(--gold-100);
}

.lab-card h4 {
  overflow-wrap: anywhere;
  margin: 0 0 0.4rem;
  color: var(--navy-950);
  font-size: 0.92rem;
  line-height: 1.3;
}

.lab-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.5;
}

.research-panel {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 3rem;
  padding: clamp(2rem, 5vw, 3.5rem);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--white), var(--gold-100));
  box-shadow: var(--shadow-sm);
}

.research-panel h2 {
  margin-bottom: 0.8rem;
}

.research-panel p:last-child {
  margin-bottom: 0;
  color: var(--muted);
}

.research-actions {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.page-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.page-hero::after {
  position: absolute;
  top: -14rem;
  right: -12rem;
  width: 34rem;
  height: 34rem;
  border-radius: 50%;
  filter: blur(18px);
  opacity: 0.32;
  pointer-events: none;
  content: "";
}

.page-hero-purple {
  background: linear-gradient(135deg, var(--white) 45%, var(--purple-100) 100%);
}

.page-hero-purple::after {
  background: #d8c4ea;
}

.page-hero-teal {
  background: linear-gradient(135deg, var(--white) 45%, var(--teal-bg) 100%);
}

.page-hero-teal::after {
  background: var(--teal-100);
}

.page-hero-gold {
  background: linear-gradient(135deg, var(--white) 45%, var(--gold-100) 100%);
}

.page-hero-gold::after {
  background: var(--gold-300);
}

.page-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(19rem, 0.8fr);
  align-items: center;
  gap: clamp(2rem, 7vw, 6rem);
  min-height: 36rem;
  padding-block: 5.5rem;
}

.page-hero h1 {
  max-width: 16ch;
}

.page-lede {
  margin-bottom: 1.6rem;
  max-width: 62ch;
  color: var(--navy-700);
  font-size: 1.16rem;
  line-height: 1.6;
}

.evidence-card,
.benchmark-card {
  padding: 1.5rem;
  border: 1px solid rgb(3 28 55 / 0.10);
  border-radius: var(--radius-lg);
  background: rgb(254 254 254 / 0.9);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(10px);
}

.vertical-flow,
.principle-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.vertical-flow li {
  display: grid;
  grid-template-columns: auto 0.7fr 1.3fr;
  align-items: center;
  gap: 0.75rem;
  padding-block: 0.8rem;
  border-bottom: 1px solid var(--line);
}

.vertical-flow li:last-child {
  border-bottom: 0;
}

.vertical-flow li > span,
.evidence-stack > div > span {
  color: var(--purple-700);
  font-family: var(--mono);
  font-size: 0.875rem;
  font-weight: 500;
}

.vertical-flow strong {
  font-size: 0.9rem;
}

.vertical-flow small {
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.4;
}

.metric-list {
  margin: 0;
}

.metric-list > div {
  display: grid;
  grid-template-columns: minmax(7rem, 0.65fr) 1fr;
  gap: 1rem;
  padding-block: 0.9rem;
  border-bottom: 1px solid var(--line);
}

.metric-list > div:last-child {
  border-bottom: 0;
}

.metric-list dt {
  color: var(--teal-700);
  font-weight: 700;
}

.metric-list dd {
  margin: 0;
  color: var(--muted);
  font-size: 0.875rem;
}

.outcome-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.outcome-grid article {
  padding: 1.6rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--white);
  box-shadow: var(--shadow-sm);
}

.outcome-number {
  display: inline-flex;
  margin-bottom: 1.6rem;
  color: #785100;
  font-family: var(--mono);
  font-size: 0.875rem;
  font-weight: 500;
}

.outcome-grid article h3 {
  font-size: 1.1rem;
}

.outcome-grid article p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.8rem;
}

.capability-card {
  padding: 1.4rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--white);
}

.capability-card > span {
  display: grid;
  width: 2.5rem;
  height: 2.5rem;
  margin-bottom: 1.1rem;
  place-items: center;
  border-radius: 0.65rem;
  color: var(--purple-700);
  background: var(--purple-100);
  font-family: var(--mono);
  font-size: 0.875rem;
  font-weight: 500;
}

.capability-card:nth-child(2) > span {
  color: #785100;
  background: var(--gold-100);
}

.capability-card:nth-child(3) > span {
  color: var(--teal-700);
  background: var(--teal-100);
}

.capability-card:nth-child(4) > span {
  color: var(--navy-700);
  background: var(--blue-100);
}

.capability-card h3 {
  font-size: 1rem;
}

.capability-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.875rem;
}

.center-action {
  margin-top: 1.5rem;
  text-align: center;
}

.split-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(22rem, 1.1fr);
  align-items: center;
  gap: clamp(2rem, 6vw, 5rem);
}

.split-panel > div:first-child > p:last-child {
  margin-bottom: 0;
  color: var(--muted);
}

.signal-flow {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  align-items: center;
}

.signal-flow span {
  position: relative;
  display: inline-flex;
  padding: 0.65rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--white);
  font-size: 0.875rem;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

.signal-flow span:not(:last-child)::after {
  position: absolute;
  right: -0.55rem;
  color: var(--gold-700);
  content: "→";
  transform: translateX(50%);
}

.evidence-stack {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
}

.evidence-stack > div {
  padding: 1.25rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--white);
  box-shadow: var(--shadow-sm);
}

.evidence-stack > div > span {
  display: inline-block;
  margin-bottom: 0.7rem;
  color: var(--teal-700);
}

.evidence-stack strong,
.evidence-stack p {
  display: block;
}

.evidence-stack strong {
  margin-bottom: 0.35rem;
  font-size: 0.93rem;
}

.evidence-stack p {
  margin: 0;
  color: var(--muted);
  font-size: 0.875rem;
}

.principle-list li {
  padding-block: 0.85rem;
  border-bottom: 1px solid var(--line);
}

.principle-list li:last-child {
  border-bottom: 0;
}

.principle-list strong,
.principle-list span {
  display: block;
}

.principle-list strong {
  margin-bottom: 0.2rem;
  font-size: 0.92rem;
}

.principle-list span {
  color: var(--muted);
  font-size: 0.875rem;
}

.architecture-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.85rem;
}

.architecture-grid article {
  padding: 1.45rem;
  border: 1px solid var(--line);
  border-top: 3px solid var(--gold-500);
  border-radius: var(--radius-md);
  background: var(--white);
  box-shadow: var(--shadow-sm);
}

.architecture-grid .architecture-purple {
  border-top-color: var(--purple-700);
}

.architecture-grid .architecture-teal {
  border-top-color: var(--teal-500);
}

.architecture-level {
  display: block;
  margin-bottom: 1.1rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.875rem;
  text-transform: uppercase;
}

.architecture-grid h3 {
  font-size: 1.05rem;
}

.architecture-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 0.875rem;
}

.not-found {
  display: grid;
  min-height: calc(100vh - 5rem);
  place-items: center;
  padding-block: 5rem;
}

.not-found > div {
  max-width: 46rem;
  text-align: center;
}

.not-found h1 {
  margin-inline: auto;
}

.not-found .page-lede {
  margin-inline: auto;
}

.not-found .hero-actions {
  justify-content: center;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--off-white);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  min-height: 8rem;
  padding-block: 1.5rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.footer-brand img {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
}

.footer-brand strong,
.footer-brand span {
  display: block;
}

.footer-brand span {
  color: var(--muted);
  font-size: 0.875rem;
}

.footer-inner nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.footer-inner nav a {
  color: var(--navy-700);
  font-size: 0.875rem;
  font-weight: 600;
}

@media (max-width: 64rem) {
  .header-inner {
    grid-template-columns: auto 1fr;
  }

  .site-nav {
    justify-content: flex-end;
  }

  .header-github {
    display: none;
  }

  .hero {
    grid-template-columns: minmax(12rem, 0.55fr) 1.45fr;
    min-height: auto;
  }

  .hero-principles {
    grid-column: 1 / -1;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding: 1.5rem 0 0;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .section-heading {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .section-heading .eyebrow {
    margin-bottom: -0.25rem;
  }

  .page-hero-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(18rem, 0.9fr);
    gap: 2.5rem;
  }

  .capability-grid,
  .architecture-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 48rem) {
  .site-header {
    position: static;
  }

  .header-inner {
    display: flex;
    min-height: auto;
    flex-wrap: wrap;
    padding-block: 0.8rem;
    gap: 0.65rem 1.25rem;
  }

  .site-nav {
    order: 2;
    width: 100%;
    justify-content: flex-start;
    gap: 1.2rem;
    overflow-x: auto;
    scrollbar-width: none;
  }

  .site-nav a {
    flex: 0 0 auto;
    padding-block: 0.65rem;
  }

  .site-nav a::after {
    bottom: 0.25rem;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 2rem;
    padding-block: 3.5rem;
  }

  .hero-art {
    justify-content: flex-start;
  }

  .hero-logo-wrap {
    width: 10rem;
    padding: 0.65rem;
  }

  .hero-principles {
    grid-template-columns: 1fr;
  }

  .process-inner {
    grid-template-columns: 1fr;
    gap: 1.2rem;
  }

  .process-flow {
    justify-content: flex-start;
  }

  .section {
    padding-block: 4.2rem;
  }

  .product-grid {
    grid-template-columns: 1fr;
  }

  .lab-group {
    grid-template-columns: 1fr;
  }

  .lab-group-heading {
    padding: 0 0 1rem;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .lab-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .feature-list {
    grid-template-columns: 1fr;
  }

  .research-panel {
    grid-template-columns: 1fr;
  }

  .research-actions {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .page-hero-grid,
  .split-panel {
    grid-template-columns: 1fr;
  }

  .page-hero-grid {
    min-height: auto;
    padding-block: 4rem;
  }

  .page-hero h1 {
    max-width: 18ch;
  }

  .outcome-grid,
  .capability-grid,
  .architecture-grid {
    grid-template-columns: 1fr;
  }

  .evidence-stack {
    grid-template-columns: 1fr;
  }

  .vertical-flow li {
    grid-template-columns: auto minmax(5rem, 0.7fr) 1.3fr;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 34rem) {
  .lab-grid {
    grid-template-columns: 1fr;
  }

  .hero-actions,
  .research-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .metric-list > div {
    grid-template-columns: 1fr;
    gap: 0.3rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}